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All Products > Electromechanical > Circuit Breakers
Circuit breakers are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit breaker manufacturers including Altech, Carling, Cooper Bussmann, Littelfuse, Schurter, TE Connectivity, & more. Please view our selection of circuit breakers below.
Category   Electromechanical >  Circuit Breakers

Available Filters 7,646 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Product Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Series Operating Temperature Range Illuminated
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TE Connectivity / P&B W31-X2M1G-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,040

Data Sheet
105
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
79
In Stock
1: $46.59
10: $41.85
25: $39.26
50: $35.94
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 2 Pole Toggle W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
58
In Stock
1: $50.50
10: $47.13
25: $44.19
50: $39.97
100: $35.41



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 2 Pole Toggle W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
98
In Stock
1: $51.54
10: $49.32
25: $45.10
50: $40.79
100: $34.44



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 2 Pole Toggle W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,040

Data Sheet
157
In Stock
1: $24.45
10: $22.04
25: $21.38
50: $18.95
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH/PULL ACT.
Page 2,040

Data Sheet
180
In Stock
1: $31.55
10: $29.45
25: $27.60
50: $24.97
100: $23.33



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-12
 Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET
Page 2,040

Data Sheet
2,868
In Stock
1: $3.01
10: $2.81
25: $2.63
50: $2.38
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 12 A 250 V 32 V 1 Pole Pushbutton W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-40
 Enlarge
TE Connectivity / P&B Circuit Breakers 40A PUSH/PULL ACT.
Page 2,040

Data Sheet
97
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 40 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712194
 Enlarge
Phoenix Contact Circuit Breakers TCP 1 AMPS
Page 2,042

Data Sheet
255
In Stock
1: $15.29
10: $13.96
25: $13.59
50: $13.14
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 1 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Schneider Electric GV3ME80
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 80AMP IEC
Data Sheet 3
In Stock
1: $609.02
5: $588.85
10: $568.68
25: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Circuit Breakers 80 A 690 V 3 Pole Pushbutton - 20 C to + 60 C
TE Connectivity / P&B W28-XQ1A-0.25
 Enlarge
TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET
Page 2,040

Data Sheet
647
In Stock
1: $5.65
10: $5.26
25: $4.94
50: $4.47
100: $3.53



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 250 mA 250 V 32 V 1 Pole Pushbutton W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
95
In Stock
1: $46.59
10: $41.85
25: $39.26
50: $35.94
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 2 Pole Toggle W9 - 40 C to + 85 C Not Illuminated
Phoenix Contact 0712314
 Enlarge
Phoenix Contact Circuit Breakers TCP 10 AMPS
Page 2,042

Data Sheet
144
In Stock
1: $15.29
10: $13.96
25: $13.59
50: $13.14
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 10 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Schurter 4430.1089
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 15A
Page 2,043

Data Sheet
234
In Stock
1: $18.10
10: $16.15
25: $14.50
50: $13.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Pole Rocker TA45 - 10 C to + 55 C
Carling Technologies CA2-B0-34-630-121-D
 Enlarge
Carling Technologies Circuit Breakers 30 A TWO POLE
Page 2,038

Data Sheet
93
In Stock
1: $75.48
10: $53.47
25: $49.38
50: $44.03
100: $43.45



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 2 Pole Handle C Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A TOGGLE ACTUATOR
Page 2,040

Data Sheet
70
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0916607
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 5A
Page 2,042

Data Sheet
133
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A TOGGLE ACTUATOR
Page 2,040

Data Sheet
131
In Stock
1: $30.71
10: $28.65
25: $26.87
50: $24.30
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
Schneider Electric GV2ME16
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 14AMP IEC
Data Sheet 9
In Stock
1: $201.39
5: $185.57
10: $182.02
25: $177.06
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Circuit Breakers 14 A 690 V 3 Pole Pushbutton - 20 C to + 60 C
TE Connectivity / P&B W58-XC4C12A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET ST
Page 2,041

Data Sheet
556
In Stock
1: $6.06
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 1 Pole Pushbutton W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH/PULL ACT.
Page 2,040

Data Sheet
58
In Stock
1: $36.43
10: $33.99
25: $31.87
50: $28.84
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Schurter 4430.1201
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,043

Data Sheet
427
In Stock
1: $18.26
10: $16.23
25: $14.61
50: $13.80



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 60 V 2 Pole Rocker TA45 - 10 C to + 55 C
Carling Technologies CTB-B-B-05 Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT
Page 2,039

Data Sheet
1,244
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A TOGGLE ACTUATOR
Page 2,040

Data Sheet
92
In Stock
1: $43.54
10: $40.64
25: $38.10
50: $34.47
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A122B1-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,041

Data Sheet
681
In Stock
1: $3.48
10: $3.25
25: $3.03
50: $2.75
100: $2.15



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 1 Pole Rocker W51 0 C to + 60 C Illuminated
Compare up to 20 parts.
7646
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